<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form ref="regFormtaRef" :model="regForm" :rules="regFormtaRules">
        <el-form-item prop="username">
          <el-input v-model="regForm.username" placeholder="请输入用户名"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input type="password" v-model="regForm.password" placeholder="请输入密码"></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input type="password" v-model="regForm.repassword" placeholder="请再次输入密码"></el-input>
        </el-form-item>
      </el-form>
      <el-button type="primary" class="regBtn" @click="reg">注册</el-button>
      <el-link type="primary" class="link" @click="$router.push('/login')">去登录</el-link>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Reg',
  data() {
    const samePwd = (rule, value, callback) => {
      console.log(rule)
      value !== this.regForm.password ? callback(new Error('两次密码输入不一致')) : callback()
    }
    return {
      regForm: {
        username: '',
        password: '',
        repassword: ''
      },
      regFormtaRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { pattern: /^[a-zA-Z0-9]{6,10}$/, message: '用户名长度6-10位字母数字', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码长度5-15非空字符', trigger: 'blur' }
        ],
        repassword: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern: /^[a-zA-Z0-9]{6,15}$/, message: '密码长度5-15非空字符', trigger: 'blur' },
          { validator: samePwd, trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    reg() {
      this.$refs.regFormtaRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('/api/reg', this.regForm)

        if (res.code !== 0) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.$router.push('/login')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.reg-container {
  background: url('../../assets/images/login_bg.jpg') center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    padding: 25px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url('../../assets/images/login_title.png') center no-repeat;
    }
    .regBtn {
      width: 100%;
    }
    .link {
      float: right;
    }
  }
}
</style>
